(19)

(11)

EP 1 842 376 A2

(12)

(88) Date of publication A3: 09.08.2007 (43) Date of publication: 10.10.2007 Bulletin 2007/41 (21) Application number: 06717431.8 (22) Date of filing: 05.01.2006

(51) International Patent Classification (IPC):  H04N 7/173(2006.01) H04M 15/00(2006.01) G06F 17/30(2006.01) H04N 7/16(2006.01) H04M 3/42(2006.01) (86) International application number: PCT/US2006/000225 (87) International publication number: WO 2006/074252 (13.07.2006 Gazette 2006/28)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK YU (30) Priority: 05.01.2005 US 641933 P (71) Applicant: Digital Networks North America, Inc. Santa Clara, CA 95051 (US)	(72) Inventors: GOODWIN, Mark, D. Mountain View, CA 94041 (US) BULLWINKLE, Richard Palo Alto, CA 94306 (US) (74) Representative: Lewis, Darren John  D Young & Co 120 Holborn London EC1N 2DY London EC1N 2DY (GB)